In my application, when the app starts, I'm playing an introduction video. Later in the application, I'm playing some audio files on click of buttons. But the audio is not playing well. Its muffling and some times low audio etc problem are noticed.

I found the bug is with playing video. When I'm not playing the introduction video, the audio is playing well. else it is causing trouble.

Does this happen on both the simulator and the device? If it doesn't happen on the simulator, I'd test the audio on headphones on the device. I've had weird phase cancellation issues playing stereo files that are mixed down to mono for the single speaker...
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diatrevoloApr 7 '11 at 2:56

I tested it only on device and not in simulator. I'm using very good head phones and noticing the problems with audio. How did you solve the problem?
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SatyamApr 7 '11 at 2:58

Hmm, no...the problem I refer to wouldn't be apparent on headphones, only over the speaker.
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diatrevoloApr 7 '11 at 3:14